Statistics of sunspot activity
October, 2015
Visual indices of solar activity by National Geophysical Data Center
| Date | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | Average | % |
| W | 71.33 | 49.25 | 43.25 | 18.67 | 15.67 | 22.00 | 29.00 | 35.25 | 20.67 | 17.00 | 39.00 | 53.33 | 50.50 | 55.33 | 51.00 | 50.00 | 72.33 | 68.00 | 81.50 | 95.33 | 76.50 | 91.00 | 102.67 | 72.50 | 60.00 | 68.00 | 46.75 | 72.00 | 88.50 | 77.67 | 66.00 | 56.77 | 100 |
| Wn | 44.00 | 27.50 | 32.25 | 18.67 | 15.67 | 11.00 | 11.00 | 0.00 | 0.00 | 0.00 | 5.50 | 14.33 | 16.00 | 12.33 | 0.00 | 0.00 | 12.33 | 16.67 | 24.25 | 29.67 | 36.00 | 36.50 | 53.00 | 38.00 | 37.75 | 50.50 | 44.00 | 54.67 | 71.50 | 69.00 | 66.00 | 27.36 | 48.19 |
| Ws | 27.33 | 21.75 | 11.00 | 0.00 | 0.00 | 11.00 | 18.00 | 35.25 | 20.67 | 17.00 | 33.50 | 39.00 | 34.50 | 43.00 | 51.00 | 50.00 | 60.00 | 51.33 | 57.25 | 65.67 | 40.50 | 54.50 | 49.67 | 34.50 | 22.25 | 17.50 | 2.75 | 17.33 | 17.00 | 8.67 | 0.00 | 29.42 | 51.81 |
| n | 3.00 | 2.25 | 2.50 | 1.00 | 1.00 | 2.00 | 2.50 | 3.00 | 1.67 | 1.50 | 3.50 | 4.00 | 3.50 | 4.00 | 3.00 | 3.00 | 4.67 | 4.67 | 5.00 | 5.00 | 4.50 | 6.00 | 6.00 | 5.00 | 4.00 | 4.75 | 3.25 | 5.33 | 6.50 | 4.33 | 3.67 | 3.68 | 100 |
| A | 0.67 | 0.25 | 0.50 | 0.00 | 0.00 | 1.00 | 0.25 | 1.00 | 0.67 | 1.00 | 1.00 | 1.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.33 | 0.33 | 0.50 | 1.33 | 1.00 | 1.50 | 1.33 | 0.50 | 0.75 | 1.50 | 0.50 | 0.33 | 0.50 | 0.33 | 1.67 | 0.66 | 17.90 |
| B | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.25 | 0.75 | 0.00 | 0.00 | 0.00 | 1.33 | 0.50 | 0.33 | 0.00 | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 2.33 | 0.00 | 1.33 | 0.33 | 0.38 | 10.23 |
| C | 0.00 | 0.50 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.50 | 1.67 | 0.67 | 0.50 | 0.33 | 0.67 | 0.25 | 0.67 | 1.00 | 1.00 | 0.67 | 0.00 | 0.25 | 0.25 | 0.25 | 1.67 | 1.50 | 1.33 | 0.33 | 0.52 | 14.02 |
| D | 1.00 | 0.75 | 1.50 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.33 | 1.33 | 1.00 | 1.33 | 0.67 | 0.75 | 0.67 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 3.50 | 0.00 | 0.00 | 0.58 | 15.63 |
| E | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.75 | 0.67 | 1.00 | 1.00 | 0.67 | 0.50 | 0.25 | 0.75 | 0.25 | 0.00 | 0.50 | 0.67 | 0.33 | 0.25 | 6.72 |
| F | 1.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.33 | 0.67 | 0.10 | 2.85 |
| G | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.25 | 0.67 | 0.00 | 0.00 | 0.33 | 0.50 | 0.50 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 2.70 |
| H | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.22 |
| I | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.67 | 1.00 | 1.25 | 1.00 | 0.50 | 2.50 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 2.00 | 2.33 | 2.25 | 1.00 | 1.50 | 1.00 | 3.00 | 3.50 | 2.25 | 1.00 | 0.75 | 0.00 | 0.50 | 0.33 | 0.33 | 1.09 | 29.73 |
| x | 1.00 | 0.25 | 0.50 | 0.00 | 0.00 | 1.00 | 1.50 | 1.75 | 0.67 | 1.00 | 1.00 | 2.33 | 0.50 | 1.00 | 0.00 | 0.50 | 1.00 | 0.33 | 0.50 | 1.33 | 1.00 | 2.50 | 1.33 | 0.50 | 0.75 | 2.50 | 0.50 | 2.67 | 0.50 | 1.67 | 2.00 | 1.03 | 28.12 |
| r | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 0.00 | 1.50 | 0.00 | 1.50 | 0.67 | 0.33 | 0.50 | 0.33 | 0.67 | 0.25 | 0.00 | 0.00 | 0.50 | 0.00 | 0.50 | 0.50 | 0.00 | 0.25 | 0.33 | 0.50 | 1.00 | 0.67 | 0.37 | 10.08 |
| s | 0.33 | 0.25 | 0.75 | 0.00 | 0.00 | 0.00 | 0.75 | 0.25 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 1.33 | 2.00 | 0.50 | 1.33 | 1.33 | 2.00 | 0.67 | 1.00 | 0.50 | 2.00 | 2.50 | 1.25 | 1.25 | 1.00 | 1.33 | 3.50 | 0.00 | 0.00 | 0.90 | 24.40 |
| a | 0.33 | 0.75 | 0.75 | 1.00 | 1.00 | 1.00 | 0.25 | 0.50 | 0.00 | 0.50 | 1.00 | 0.67 | 0.50 | 1.00 | 0.67 | 1.50 | 1.00 | 1.00 | 2.00 | 2.00 | 1.50 | 1.00 | 1.67 | 1.00 | 1.25 | 0.75 | 1.50 | 1.00 | 2.00 | 0.67 | 0.00 | 0.96 | 26.08 |
| h | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.01 | 0.29 |
| k | 1.33 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.33 | 0.25 | 1.00 | 1.00 | 1.50 | 1.00 | 0.50 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.67 | 1.00 | 0.41 | 11.03 |
| x | 0.67 | 0.25 | 1.00 | 0.00 | 0.00 | 1.67 | 1.25 | 2.25 | 1.67 | 1.50 | 3.50 | 2.00 | 1.00 | 1.67 | 1.00 | 1.00 | 2.33 | 2.67 | 2.75 | 2.33 | 2.50 | 2.50 | 4.33 | 4.00 | 3.00 | 2.50 | 1.25 | 0.33 | 1.00 | 0.67 | 2.00 | 1.76 | 47.85 |
| o | 0.67 | 0.50 | 0.25 | 0.33 | 0.67 | 0.33 | 1.25 | 0.75 | 0.00 | 0.00 | 0.00 | 2.00 | 2.00 | 2.33 | 2.00 | 2.00 | 1.33 | 1.00 | 0.75 | 1.33 | 1.00 | 2.50 | 1.00 | 0.50 | 0.50 | 1.25 | 1.50 | 5.00 | 4.50 | 2.67 | 0.33 | 1.30 | 35.28 |
| i | 0.33 | 0.25 | 1.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.67 | 0.67 | 0.75 | 1.00 | 1.00 | 0.50 | 0.00 | 0.50 | 0.50 | 1.00 | 0.50 | 0.00 | 0.50 | 0.00 | 0.33 | 0.34 | 9.35 |
| c | 1.33 | 1.25 | 0.25 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.75 | 0.33 | 0.00 | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 1.00 | 0.28 | 7.52 |
| CV | 92.33 | 74.25 | 55.75 | 24.00 | 16.33 | 8.33 | 12.00 | 10.50 | 4.67 | 4.50 | 14.00 | 22.67 | 28.00 | 29.00 | 43.67 | 31.00 | 77.67 | 90.33 | 81.00 | 86.33 | 69.50 | 91.50 | 85.67 | 64.50 | 43.50 | 46.25 | 48.00 | 43.33 | 112.00 | 70.33 | 62.33 | 49.78 | 100 |
| CVn | 35.33 | 23.00 | 26.50 | 24.00 | 16.33 | 7.33 | 9.25 | 0.00 | 0.00 | 0.00 | 0.50 | 7.67 | 10.50 | 1.33 | 0.00 | 0.00 | 20.00 | 27.00 | 24.75 | 41.00 | 47.50 | 55.00 | 61.00 | 42.00 | 34.00 | 44.25 | 47.75 | 40.00 | 101.00 | 69.33 | 62.33 | 28.34 | 56.94 |
| CVs | 57.00 | 51.25 | 29.25 | 0.00 | 0.00 | 1.00 | 2.75 | 10.50 | 4.67 | 4.50 | 13.50 | 15.00 | 17.50 | 27.67 | 43.67 | 31.00 | 57.67 | 63.33 | 56.25 | 45.33 | 22.00 | 36.50 | 24.67 | 22.50 | 9.50 | 2.00 | 0.25 | 3.33 | 11.00 | 1.00 | 0.00 | 21.44 | 43.06 |
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